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Article #9607

vraagje python

#9607
From: Vincent Spruyt
Date: Thu, 18 Apr 2002 15:29
39 lines
2365 bytes
Tot nu toe ging het goed ;-)
Maar nu begrjip ik toch iets niet zo goed.
dit is de defenition;

def cheeseshop(kind, *arguments, **keywords):
    print "-- Do you have any", kind, '?'
    print "-- I'm sorry, we're all out of", kind
    for arg in arguments: print arg
    print '-'*40
    keys = keywords.keys()
    keys.sort()
    for kw in keys: print kw, ':', keywords[kw]

wordt aangeroepen door:

cheeseshop('Limburger', "It's very runny, sir.",
           "It's really very, VERY runny, sir.",
           client='John Cleese',
           shopkeeper='Michael Palin',
           sketch='Cheese Shop Sketch')

En het resultaat is:
-- Do you have any Limburger ?
-- I'm sorry, we're all out of Limburger
It's very runny, sir.
It's really very, VERY runny, sir.
----------------------------------------
client : John Cleese
shopkeeper : Michael Palin
sketch : Cheese Shop Sketch
Nu staat er nergens uitleg over die **keywords en *arguments. Wat ik niet
begrijp in de def is het volgende
_____________________________
def  [knip]
keys = keywords.keys()
[knip]
--------------------------------------
Is keys hier een variabele, en kan dat evengoed test zijn? Is
keywords.keys() een functie? Wat doet dat juist?thxgreetz
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From: "Vincent Spruyt" <webmaster@flash-design.be>
Newsgroups: be.comp.programming
Subject: vraagje  python
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